<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
  xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

   <WebView
      android:id="@+id/webView1"
      android:layout_width="match_parent"
      android:layout_height="match_parent"
    />
</RelativeLayout>